Answer:
x = 8
Step-by-step explanation:
Taking the antilog, you have ...
3x +8 = 2^5 = 32
3x = 24 . . . . subtract 8
x = 8 . . . . . . .divide by 3
___
You can have a graphing calculator show you the answer. Subtracting 5 from both sides gives ...
log2(3x +8) -5 = 0
The calculator can plot the left-side function and show you the value of x that makes it zero. That value is x=8.
7, 9, 10, 12, 14, 16, 17
You can find that the range is ten by subtracting the largest number (17) by the smallest number (7) which leaves you with 10. You can find the mean by crossing off a number from each side, one at a time, until you land on the middle which is 12. I hope this helps, let me know if you have any questions!
Answer:
2.06×10^14
Step-by-step explanation:
nth term of G.p = ar^n-1
the first term, a = 3 common ratio, r = 2nd term/ 1st term, 3rd term/ 2nd term, etc.
r = 9/3 = 3
30th term = 3(3)^30-1 = 2.06×10^14
I think the answer would be B. (10,7)
